Home / 677,839.76-1,015,803.90-374,370.74

Finding the Fourth Proportional to 677,839.76, 1,015,803.90 and 374,370.74

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Solution

The fourth proportional to 677,839.76, 1,015,803.90 and 374,370.74 is: 561,028.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,839.76 : 1,015,803.90 = 374,370.74 : x
  2. Step 2: Convert to fraction form
    677,839.76/1,015,803.90 = 374,370.74/x
  3. Step 3: Cross multiply
    677,839.76x = 1,015,803.90 × 374,370.74
  4. Step 4: Simplify right side
    677,839.76x = 380,287,257,737.89
  5. Step 5: Solve for x
    x = 380,287,257,737.89/677,839.76
  6. Step 6: Final answer
    x = 561,028.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.